Plants cannot fix nitrogen, but legumes are often called nitrogen fixers. Explain why this label is appropriate
What will be an ideal response?
Legumes have a mutualistic relationship with nitrogen-fixing bacteria in nodules in legume roots.
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Although freshwater biomes cover less than 1% of the Earth's surface, they are important because ________.
A. they are home to lots of species B. we depend on them for drinking water C. they are the source of our irrigation for agriculture D. All of the above are reasons why freshwater biomes are important.
After the cell enters which phase does division seem inevitable?
a. G1 b. G2 c. S d. Cytokinesis e. Cells are always preparing for division.
DNA replication is described as being conservative
__________________ Indicate whether the statement is true or false.
Taking probiotics may help prevent...
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